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Delayed engagement after shifting from N to R, or excessive shock when shifting
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Shift solenoid valve C defective |
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A/T clutch pressure control solenoid valve D defective |
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Shift cable broken, binding, or out of adjustment |
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Connection between shift cable and transmission or shift lever is worn |
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ATF temperature sensor defective |
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Foreign material in separator plate orifice |
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Shift valve C defective |
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Reverse inhibitor valve defective |
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4th accumulator defective |
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4th/reverse air check valve stuck |
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ATF strainer clogged |
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Lock-up shift valve defective |
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4th clutch defective |
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Clearance between clutch end-plate and top disc incorrect |
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Inspect the shift solenoid valve C function with the HDS. |
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Check for a seized shift solenoid valve, and inspect the O-rings. |
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Inspect A/T clutch pressure control solenoid valve D with the HDS. |
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Check for a loose shift cable at the shift lever and the selector control lever. |
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Inspect the ATF temperature sensor O-ring for wear and damage. |
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Check for a clogged orifice in the separator plate. If the orifice is clogged, remove it and clean the separator plate orifice. |
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Check the ATF strainer for debris. If the strainer is clogged, find the damaged components that caused the debris. If no cause for contamination is found, replace the torque converter. |
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Check the lock-up shift valve, shift valve C, and the reverse inhibitor valve in the main valve body for free movement, and check the valve spring for wear and damage. |
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Check the 4th accumulator piston, the O-ring, and the spring in the regulator valve body for wear and damage. |
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Check for a stuck 4th/reverse air check valve in the main valve body. | | 